Home / 128,160.42-192,240.62-34,673.46

Finding the Fourth Proportional to 128,160.42, 192,240.62 and 34,673.46

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Solution

The fourth proportional to 128,160.42, 192,240.62 and 34,673.46 is: 52,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,160.42 : 192,240.62 = 34,673.46 : x
  2. Step 2: Convert to fraction form
    128,160.42/192,240.62 = 34,673.46/x
  3. Step 3: Cross multiply
    128,160.42x = 192,240.62 × 34,673.46
  4. Step 4: Simplify right side
    128,160.42x = 6,665,647,447.95
  5. Step 5: Solve for x
    x = 6,665,647,447.95/128,160.42
  6. Step 6: Final answer
    x = 52,010.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.